User blog comment:MegaGyarados/You Guys NEED, AND I MEAN NEED, to understand this (This isn’t about teams again)/@comment-31267872-20180215035726

YES, the Master Ball is unobtainable via Lotto and ONLY via trade and purchase at the Poké Ball Emporium. AND IT NEVER FAILS. Whoever started the rumor (probably not a PBB player, probably some Red/Blue player) is no offense a total... hmm, how do I phrase it... it was NOT someone on the PBB Wiki though.

Does the description not tell enough?